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小明把8块积木从6×6的盒子里拿出来,却不知怎么放回去了。请你帮助他把积木放回盒子里,要求黑格和白格间隔出现。
Xiao Ming 8 blocks from the 6 × 6 box out, but I do not know how to put back. Please help him put the building blocks back into the box, asking for the appearance of white and black grid.